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Finding the Fourth Proportional to 79,807.46, 110,179.24 and 52,986.60

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Solution

The fourth proportional to 79,807.46, 110,179.24 and 52,986.60 is: 73,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,807.46 : 110,179.24 = 52,986.60 : x
  2. Step 2: Convert to fraction form
    79,807.46/110,179.24 = 52,986.60/x
  3. Step 3: Cross multiply
    79,807.46x = 110,179.24 × 52,986.60
  4. Step 4: Simplify right side
    79,807.46x = 5,838,023,318.18
  5. Step 5: Solve for x
    x = 5,838,023,318.18/79,807.46
  6. Step 6: Final answer
    x = 73,151.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.